public class Main {

    public static void main(String[] args) {
        System.out.println("Hello World!");

        int[][] f = {{2,2},{3,3},{4,4}};

        for (int i = 0; i < 3; i++) {
            int row = f[i][0]-1;
            int col = f[i][1]-1;

        }
    }
}
